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Cheap flights from Ireland to Belfast from €41

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:40 - 19:30
DUB
-
BFS
11h 50m
1 stop
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
€79Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€79Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€81Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
07:40 - 19:30
DUB
-
BFS
11h 50m
1 stop
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
€82Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€82Multiple Airlines
Tue, 19 May - Tue, 26 May
Multiple Airlines Logo
20:15 - 07:05
DUB
-
BFS
10h 50m
1 stop
Multiple Airlines Logo
07:35 - 19:50
BFS
-
DUB
12h 15m
1 stop
€82Multiple Airlines
Tue, 12 May - Tue, 19 May
British Airways Logo
20:30 - 08:50
ORK
-
BHD
12h 20m
1 stop
British Airways Logo
18:30 - 23:50
BHD
-
ORK
5h 20m
1 stop
€422British Airways
Fri, 8 May - Mon, 11 May
British Airways Logo
16:10 - 08:50
ORK
-
BHD
16h 40m
1 stop
British Airways Logo
19:35 - 10:45
BHD
-
ORK
15h 10m
1 stop
€422British Airways
Fri, 8 May - Mon, 11 May
British Airways Logo
11:25 - 18:45
ORK
-
BHD
7h 20m
1 stop
British Airways Logo
16:05 - 23:50
BHD
-
ORK
7h 45m
1 stop
€473British Airways
Tue, 5 May - Wed, 6 May
Aer Lingus Logo
10:30 - 09:45
ORK
-
BHD
23h 15m
3 stops
Aer Lingus Logo
18:20 - 18:00
BHD
-
ORK
23h 40m
3 stops
€2,121Aer Lingus
Fri, 29 May - Mon, 1 Jun

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
8 Jun
DUB10:30Dublin
6h 05m
1 stop
BHD16:35Belfast City
14 Jun
BHD17:55Belfast City
4h 45m
1 stop
DUB22:40Dublin
€268
Aer Lingus
3 May
SNN07:30Shannon
13h 40m
1 stop
BHD21:10Belfast City
10 May
BHD11:10Belfast City
9h 25m
1 stop
SNN20:35Shannon
€536
Aer Lingus
3 May
SNN16:50Shannon
24h 10m
3 stops
BHD17:00Belfast City
10 May
BHD06:50Belfast City
28h 30m
3 stops
SNN11:20Shannon
€684

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
8 Jun
DUB17:20Dublin
16h 00m
1 stop
BHD09:20Belfast City
14 Jun
BHD09:50Belfast City
22h 30m
1 stop
DUB08:20Dublin
€348
KLM
2 May
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
8 May
BHD17:30Belfast City
4h 55m
1 stop
DUB22:25Dublin
€460

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 19 April 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 29/5

07:40-19:30

1 stop11h 50m

Belfast Intl

Fri 5/6

08:55-21:10

1 stop12h 15m

€79

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 2/6

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 9/6

07:35-21:45

1 stop14h 10m

€79

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 1/6

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 8/6

21:55-08:05

1 stop10h 10m

€81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 29/5

07:40-19:30

1 stop11h 50m

Belfast Intl

Fri 5/6

08:55-21:10

1 stop12h 15m

€82

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 19/5

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 26/5

07:35-21:45

1 stop14h 10m

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 12/5

20:15-07:05

1 stop10h 50m

Belfast Intl

Tue 19/5

07:35-19:50

1 stop12h 15m

€82

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 8/5

20:30-08:50

1 stop12h 20m

Belfast City

Mon 11/5

18:30-23:50

1 stop5h 20m

€422

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 8/5

16:10-08:50

1 stop16h 40m

Belfast City

Mon 11/5

19:35-10:45

1 stop15h 10m

€422
Fastest return journey

CorkBelfast

ORK - BHD

ORKBHD

Cork

Tue 5/5

11:25-18:45

1 stop7h 20m

Belfast City

Wed 6/5

16:05-23:50

1 stop7h 45m

€473

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 29/5

10:30-09:45

3 stops23h 15m

Belfast City

Mon 1/6

18:20-18:00

3 stops23h 40m

€2,121

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Ryanair is the most popular carrier operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from Ireland to Belfast takes 3h 55m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

Frequently asked questions about flying from Ireland to Belfast

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport